Yazar "Engiz B.K." için listeleme
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Determining the optimum pilot density in OFDM systems over propagation measurement based channels
Engiz B.K.; Kurnaz C.; Sezgin H. (2013)In wireless orthogonal frequency division multiplexing (OFDM) systems in order to reduce channel impairments, and increase system performance channel estimation must be implemented. This paper investigates; the impact on ... -
Investigating the effect of movement speed and pilot symbol period on OFDM system performance
Engiz B.K.; Kurnaz Ç.; Sezgin H. (2012)In this study, the effect of time selectivity and pilot symbol period on the performance of an OFDM system with block type based channel estimator was investigated. Performance degradation due to pilot symbol usage was ... -
Investigating the effect of pilot bit arragement on OFDM system performance
Engiz B.K.; Kurnaz Ç.; Sezgin H.; Gökalp H. (2011)In this study, the effect of pilot bit placement on the performance of an OFDM system with comb-type based channel estimator was investigated. Computer simulations were used for this purpose. Least sequares algorithm is ... -
Monitoring of long term RF radiation from cellular base stations
Kurnaz C.; Engiz B.K.; Turgut A. (RAD Association, 2017)In parallel with technological developments, cellular systems and therefore base stations have begun to take up more space in our daily lives. Since each base station behaves like a radiofrequency electromagnetic field ... -
Performance analysis of pilot arrangement for OFDM systems over time varying frequency selective channels
Engiz B.K.; Kurnaz Ç.; Sezgin H. (2012)In this study, the effect of pilot arrangement on OFDM system performance for different time and frequency selective fading channels is investigated. Pilot symbols are placed in rectangular 2-D pilot pattern in chosen ... -
Performance evaluation of ANN based channel interpolation for OFDM system
Engiz B.K.; Kurnaz Ç.; Kayhan G. (2012)In this study, the effect of three different techniques that used for interpolation on OFDM system with pilot based comb type channel estimation is investigated and results are given in terms of BER (Bit Error Rate). The ...
